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Wewaii [24]
3 years ago
7

Please someone help me I will mark you has brainiest​

Mathematics
2 answers:
Anna35 [415]3 years ago
5 0

Answer:

i angle EFB

ii BFC and AFC

Step-by-step explanation:

AlexFokin [52]3 years ago
3 0

Answer:

i .angle AFC

iiAFC and AFB

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Ahhh help please find the perimeter
spin [16.1K]

Answer:

12x^{2} + 6y

Step-by-step explanation:

3 0
2 years ago
Help me please i jave 10 min left HELP​
yaroslaw [1]

Answer:

Option (A).

Step-by-step explanation:

8\frac{4}{5} is a mixed fraction and can be written as,

8\frac{4}{5}=8+\frac{4}{5} [Combination of a whole number and a fraction]

When we multiply this mixed fraction by 7,

7\times 8\frac{4}{5}=7\times (8+\frac{4}{5})

          =(7\times 8)+(7\times \frac{4}{5}) [Distributive property → a(b + c) = a×b + a×c]

          =56+\frac{28}{5}

          =56+5\frac{3}{5}

          =56+5+\frac{3}{5}

          =61+\frac{3}{5}

          =61\frac{3}{5}

Therefore, 7\times 8\frac{4}{5}=61\frac{3}{5} will be the answer.

Option (A) will be the correct option.

7 0
2 years ago
Can someone help me with these problems step by step? It’s pre-algebra so it’s not rlly that hard.
gtnhenbr [62]

Answer:

11

Step-by-step explanation:

√121=11 so right answer is B

5 0
3 years ago
2x^2+3x-2, a=0 How do I find the derivative?
Ghella [55]

You can use the definition:

\displaystyle f'(x) = \lim_{h\to0}\frac{f(x+h)-f(x)}h

Then if

f(x) = 2x^2+3x-2

we have

f(x+h) = 2(x+h)^2+3(x+h) - 2 = 2x^2 + 4xh+2h^2+3x+3h-2

Then the derivative is

\displaystyle f'(x) = \lim_{h\to0}\frac{(2x^2+4xh+2h^2+3x+3h-2)-(2x^2+3x-2)}h \\\\ f'(x) = \lim_{h\to0}\frac{4xh+2h^2+3h}h \\\\ f'(x) = \lim_{h\to0}(4x+2h+3) = \boxed{4x+3}

I'm guessing the second part of the question asks you to find the tangent line to <em>f(x)</em> at the point <em>a</em> = 0. The slope of the tangent line to this point is

f'(0) = 4(0) + 3 = 3

and when <em>a</em> = 0, we have <em>f(a)</em> = <em>f</em> (0) = -2, so the graph of <em>f(x)</em> passes through the point (0, -2).

Use the point-slope formula to get the equation of the tangent line:

<em>y</em> - (-2) = 3 (<em>x</em> - 0)

<em>y</em> + 2 = 3<em>x</em>

<em>y</em> = 3<em>x</em> - 2

5 0
3 years ago
PLSSS HURRY I REALLY NEED THIS
Step2247 [10]

Answer: 1/10

Step-by-step explanation: -2/5+1/2=0.1

If we convert 0.1 into a fraction, it becomes 1/10.

7 0
1 year ago
Read 2 more answers
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